Dada as matrizes A = 1 -2 3 B= 6 1 -8
4 0 5 0 2 -1
Resolva o sistema: X+ Y = 3A +B
X - Y = A - 5B
Respostas
X+ Y = 3A +B
X - Y = A - 5B
2X = 4A -4B
X = 2A - 2B
X = 2. /1 - 2 3 / - 2./ 6 1 -8 /
/ 4 0 5/ / 0 2 -1/
X= / 2 - 4 6 / - /12 2 -16/
/ 8 0 10 / / 0 4 -2/
X = -10 -6 22
8 -4 12
X+ Y = 3A +B
Y = 3A + B - X
Y = 3. /1 - 2 3 / - / 6 1 -8 / - / -10 -6 22/
/ 4 0 5/ / 0 2 -1/ / 8 -4 12/
Y= / 3 - 6 9/ - / 6 1 -8 / - / -10 -6 22/
/12 0 15/ / 0 2 -1/ / 8 -4 12/
Y = / 3-6+10 -6-1+6 9 +8-22/
/12-0-8 0-2+4 15+1-12/
Y = / 7 -1 - 5/
/ 4 2 4/